How do we help students to organize and retain content information?

Here are some great resources for tools we can use to organize and retain content information:
Lots of great graphic organizers:

1. MargD - Teaching Posters
   http://margdteachingposters.weebly.com/graphic-organizers.html
2. Make your own graphic organizers!
   http://myt4l.com/index.php?v=pl&page_ac=view&type=tools&tool=graphicorganizers&go_view=edit 
3. What types of organizers do you use in your classroom?